fix: bufferline integration w transparent_background

lua/catppuccin/core/integrations/bufferline.lua

@@ -1,27 +1,29 @@
 local M = {}
 
 function M.get(cp)
+  local transparent_background = require("catppuccin.config").options.transparent_background
+  local bg_highlight = transparent_background and "NONE" or cp.base
 
-	local inactive_bg = cp.mantle
+  local inactive_bg = transparent_background and "NONE" or cp.mantle
 
-	return {
-		BufferLineFill = { bg = cp.crust },
-		BufferLineBackcrust = { fg = cp.text, bg = inactive_bg }, -- others
-		BufferLineBufferVisible = { fg = cp.surface1, bg = inactive_bg },
-		BufferLineBufferSelected = { fg = cp.text, bg = cp.base, style = "bold,italic" }, -- current
-		BufferLineTab = { fg = cp.surface1, bg = cp.base },
-		BufferLineTabSelected = { fg = cp.red, bg = cp.blue },
-		BufferLineTabClose = { fg = cp.red, bg = inactive_bg },
-		BufferLineIndicatorSelected = { fg = cp.peach, bg = cp.base },
-		-- separators
-		BufferLineSeparator = { fg = inactive_bg, bg = inactive_bg },
-		BufferLineSeparatorVisible = { fg = inactive_bg, bg = inactive_bg },
-		BufferLineSeparatorSelected = { fg = inactive_bg, bg = inactive_bg },
-		-- close buttons
-		BufferLineCloseButton = { fg = cp.surface1, bg = inactive_bg },
-		BufferLineCloseButtonVisible = { fg = cp.surface1, bg = inactive_bg },
-		BufferLineCloseButtonSelected = { fg = cp.red, bg = cp.base },
-	}
+  return {
+    BufferLineFill = { bg = bg_highlight },
+    BufferLineBackcrust = { fg = cp.text, bg = inactive_bg }, -- others
+    BufferLineBufferVisible = { fg = cp.surface1, bg = inactive_bg },
+    BufferLineBufferSelected = { fg = cp.text, bg = cp.base, style = "bold,italic" }, -- current
+    BufferLineTab = { fg = cp.surface1, bg = cp.base },
+    BufferLineTabSelected = { fg = cp.red, bg = cp.blue },
+    BufferLineTabClose = { fg = cp.red, bg = inactive_bg },
+    BufferLineIndicatorSelected = { fg = cp.peach, bg = cp.base },
+    -- separators
+    BufferLineSeparator = { fg = inactive_bg, bg = inactive_bg },
+    BufferLineSeparatorVisible = { fg = inactive_bg, bg = inactive_bg },
+    BufferLineSeparatorSelected = { fg = inactive_bg, bg = inactive_bg },
+    -- close buttons
+    BufferLineCloseButton = { fg = cp.surface1, bg = inactive_bg },
+    BufferLineCloseButtonVisible = { fg = cp.surface1, bg = inactive_bg },
+    BufferLineCloseButtonSelected = { fg = cp.red, bg = cp.base },
+  }
 end
 
 return M